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| Mirrors > Home > MPE Home > Th. List > elrab3 | Structured version Visualization version GIF version | ||
| Description: Membership in a restricted class abstraction, using implicit substitution. (Contributed by NM, 5-Oct-2006.) |
| Ref | Expression |
|---|---|
| elrab.1 | ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) |
| Ref | Expression |
|---|---|
| elrab3 | ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | elrab.1 | . . 3 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓)) | |
| 2 | 1 | elrab 3650 | . 2 ⊢ (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ (𝐴 ∈ 𝐵 ∧ 𝜓)) |
| 3 | 2 | baib 543 | 1 ⊢ (𝐴 ∈ 𝐵 → (𝐴 ∈ {𝑥 ∈ 𝐵 ∣ 𝜑} ↔ 𝜓)) |
| Colors of variables: wff setvar class |
| Syntax hints: → wi 4 ↔ wb 208 = wceq 1560 ∈ wcel 2142 {crab 3414 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1815 ax-4 1829 ax-5 1930 ax-6 1987 ax-7 2028 ax-8 2144 ax-9 2152 ax-ext 2734 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1563 df-ex 1800 df-sb 2091 df-clab 2741 df-cleq 2754 df-clel 2837 df-rab 3415 df-v 3456 |
| This theorem is referenced by: unimax 4903 fnelfp 7159 fnelnfp 7161 fnse 8113 fin23lem30 10299 isf32lem5 10314 negn0 11616 ublbneg 12934 supminf 12936 sadval 16490 smuval 16515 dvdslcm 16632 dvdslcmf 16665 isprm2lem 16715 isacs1i 17689 isinito 18029 istermo 18030 subgacs 19202 nsgacs 19203 odngen 19617 sdrgacs 20850 lssacs 21034 mretopd 23152 txkgen 23712 xkoco1cn 23717 xkoco2cn 23718 xkoinjcn 23747 ordthmeolem 23861 shft2rab 25570 sca2rab 25574 lhop1lem 26075 ftalem5 27141 vmasum 27280 eqcuts2 27879 elmade 27950 addonbday 28372 israg 28870 ebtwntg 29183 eupth2lem3lem3 30432 eupth2lem3lem4 30433 eupth2lem3lem6 30435 cycpmco2lem1 33306 cycpmco2lem4 33309 cycpmco2 33313 ssdifidllem 33643 1arithufdlem2 33741 tgoldbachgt 34957 cvmliftmolem1 35631 nmulr0 36545 neibastop3 36722 fdc 38244 pclvalN 40514 dvhb1dimN 41610 hdmaplkr 42537 aks4d1p8 42704 sticksstones1 42763 fsuppssind 43175 diophren 43390 islmodfg 43646 fsovcnvlem 44589 ntrneiel 44657 radcnvrat 44890 supminfxr 46038 stoweidlem34 46608 |
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